Allied Air Enterprises 92G1UH User Manual

Page 44

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506501-01

Page 44 of 48

Issue 1031

PLANNED SERVICE

A service technician should check the following items during

an annual inspection. Power to the unit must be shut off for

safety.

Fresh air grilles and louvers (on the unit and in the room

where the furnace is installed) - Must be open and

unobstructed to provide combustion air.

Burners - Must be inspected for rust, dirt, or signs of water.
Vent pipe - Must be inspected for signs of water, cracked,

damaged or sagging pipe, or disconnected joints.

Unit appearance - Must be inspected for rust, dirt, signs of

water, burnt or damaged wires, or components.

Blower access door - Must be properly in place and provide

a seal between the return air and the room where the furnace
is installed.

Return air duct - Must be properly attached and provide an

air seal to the unit.

Operating performance - Unit must be observed during

operation to monitor proper performance of the unit and the

vent system.

Combustion gases - Flue products should be analyzed and

compared to the unit specifications.

Problems detected during the inspection may make it

necessary to temporarily shut down the furnace until the

items can be repaired or replaced.

Instruct the homeowners to pay attention to their

furnace. Situations can arise between annual furnace

inspections that may result in unsafe operation. For instance,

items innocently stored next to the furnace may obstruct the

combustion air supply. This could cause incomplete

combustion and the production of carbon monoxide gas.

FAILURE CODES

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